2123230 has 16 divisors (see below), whose sum is σ = 3880080. Its totient is φ = 836352.

The previous prime is 2123213. The next prime is 2123237. The reversal of 2123230 is 323212.

It is a happy number.

2123230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2123230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915 + ... + 2254.

It is an arithmetic number, because the mean of its divisors is an integer number (242505).

2^2123230 is an apocalyptic number.

2123230 is a deficient number, since it is larger than the sum of its proper divisors (1756850).

2123230 is a wasteful number, since it uses less digits than its factorization.

2123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2123230 is about 1457.1307422466. The cubic root of 2123230 is about 128.5283741790.

Adding to 2123230 its reverse (323212), we get a palindrome (2446442).

The spelling of 2123230 in words is "two million, one hundred twenty-three thousand, two hundred thirty".